import time

import numpy as np

# a = []
# for x in range(100000000):
#     a.append(x)
# t1 = time.time()
# sum1 = sum(a)
# t2 = time.time()
# print(t2 - t1)
# b = np.array(a)
# t3 = time.time()
# sum2 = np.sum(b)
# t4 = time.time()
# print(t4 - t3)



num = np.array ([
    [1, 2, 3, 4, 5],
    [6, 7, 8, 9, 10]
])
print(num.shape)
a = np.zeros((3, 5))
print(a)
b = np.full((2, 3), fill_value=100)
print(b)